#include<stdio.h>
int main()
{
  int i;
  char s[100]="";
  gets(s);
  for(i=0;s[i]!='\0';i++)
  {
     if(s[i]>='a'&&s[i]<='z')
		 s[i]=(s[i]+2-'a')%26+'a';
	 if(s[i]>='A'&&s[i]<='Z')
		 s[i]=(s[i]+2-'A')%26+'A';
	 if(s[i]>='0'&&s[i]<='9')
		 s[i]=(s[i]+2-'0')%10+'0';
  }
  puts(s);
  return 0;
}